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sewerin AQUAPHON AF 50 Operating Instructions Manual

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AQUAPHON
®
AF 50 receiver
Operating Instructions

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Summary of Contents for sewerin AQUAPHON AF 50

  • Page 1 AQUAPHON ® AF 50 receiver Operating Instructions...
  • Page 2 AF 50 receiver Display Arrow keys ● Up key Filter key ● Down key Menu key Activation key Enter key Fastener knobs Belt clip Headphone socket Charging socket Connection for microphone/search coil Receiver AF 50 viewed from various angles Fig. 1:...
  • Page 3 AF 50 receiver Battery symbol for receiver Current noise level (bar) Current minimum noise level (marker) Current minimum noise level Minimum noise level ● last ● last but one Filter level Battery symbol wireless headphones Hearing protection level Volume Fig. 2: Display with main view during water leak detection Field strength ●...
  • Page 4 Illustration of warnings in this document WARNING! Risk of personal injury. Could result in serious injury or death CAUTION! Risk of personal injury. Could result in injury or pose a risk to health. NOTICE! Risk of damage to property.

  • Page 5: Table Of Contents

    Introduction ................1 Information about this document ..........1 Purpose ..................1 Intended use ................2 Safety information ..............2 AQUAPHON system ..............4 Acoustic water leak detection ............4 Pipe location ................4 2.2.1 Passive pipeline location ............4 2.2.2 Active pipeline location ............4 Hearing protection ..............5 System components ..............5 2.4.1 Overview ................5 2.4.2...
  • Page 6 Performing pipe location ............19 3.5.1 Setting the frequency ............19 3.5.2 Using the maximum or the minimum method .......19 3.5.3 Applying automatic amplifier adjustment ......21 3.6 Switching off the system............21 Settings ..................22 Overview .................22 Backlight (LIGHT) ..............22 Operating mode (ACTIVATION) ..........23 Display rotation (DISPLAY) .............24 Hearing protection (MUTE) .............25 Hearing protection threshold (PROTECT) ......25 Factory settings (RESET) ............27 Maintenance ................28...

  • Page 7: Introduction

    Translations are produced to the best of our knowledge. The original German version is authoritative. Right of reproduction No part of this document may be edited, duplicated or circulated in any form without the express consent of Hermann Sewerin GmbH. Registered trademarks Registered trademarks are generally not indicated in this docu- ment.

  • Page 8: Intended Use

    ● Observe all the applicable safety standards and accident pre- vention regulations. ● Use the product only as intended. ● Do not make any changes or modifications to the product unless these have been expressly approved by Hermann Sewerin GmbH. 2 │ 1 Introduction...
  • Page 9 ● Only use accessories and consumables approved by Hermann Sewerin GmbH. ● Always observe the permitted operating and storage temper- atures. ● Handle the product carefully and safely, both during transport and when working. ● Always adequately cordon off the work area. ● When you are wearing headphones, you are not fully aware of ambient noise. Be especially vigilant, especially in environ- ments with an increased risk of accident (e.g. road traffic). ● Do not use the product if it is damaged or faulty.

  • Page 10: Aquaphon System

    AQUAPHON system Acoustic water leak detection Water leak detection includes preliminary detection and pinpoint- ing. A microphone must be connected to the AF 50 receiver to be located acoustically with the AQUAPHON system. The mi- crophone picks up noises and plays them back through a set of headphones.

  • Page 11: Hearing Protection

    Display of current-carrying lines If there is an energized line near the search coil, the receiver will display the power line symbol. Fig. 4: Display of a current-carrying line ( power line symbol) Hearing protection The system features a hearing protection function, which pro- tects the user from sudden loud sound interference. Such sound interference can occur, for example, when the user slips off the contact point using a microphone. Hearing protection is activated when the predefined hearing pro- tection threshold is exceeded.
  • Page 12 SK 10 case. Additional accessories can be added to the system at any time. Note: Detailed information about the headphones and the FG 50 gen- erator can be found in the associated operating instructions. Sewerin Digital Radio 6 │ 2 AQUAPHON system...

  • Page 13: Af 50 Receiver

    2.4.2 AF 50 receiver 2.4.2.1 Setup For overviews including all part names for the receiver, see the front cover flap (fig. 1). Keys The receiver has the following keys: ● Activation key Water leak detection: For starting and ending a measurement (listening to noises). Pipeline location: For automatic amplifier adjustment. ● Filter key Water leak detection: For switching between the main view and the Filter view.

  • Page 14: Display Rotation

    Ports The receiver has the following connections: ● Charging socket For charging the rechargeable battery. The following can be connected: – M4 AC/DC adapter – M4 vehicle cable ● Connection for micro- For connecting a microphone or a phone/search coil search coil.

  • Page 15: Display Of The Results In The Main View

    Water leak detection The Activation key is used to start and stop measurements. There are two operating modes available for this: ● Hold mode The Activation key is held down for the duration of the meas- urement. ● Toggle mode The Activation key is pressed briefly to start the measurement.
  • Page 16 − Previous minimum noise level When a measurement has been completed, what was until then the current minimum noise level is displayed as the last minimum noise level next to [1]. − Last but one minimum noise level When the next measurement has been completed, the last minimum noise level becomes the last but one minimum noise level and is displayed next to [2].

  • Page 17: Power Supply

    There are parts in the receiver that can be damaged mechan- ically or by electrostatic discharge when changing the battery. ● Only SEWERIN service personnel or other authorised special- ists may replace the lithium ion rechargeable battery. WARNING! Risk of explosion due to short-circuit Faulty lithium ion rechargeable batteries can explode due to internal short-circuit.

  • Page 18: Um 50 Universal Microphone

    2.4.5 UM 50 universal microphone The UM 50 universal microphone can be used for both prelimi- nary detection and pinpointing. The UM 50 universal microphone has a permanently attached cable which is used to connect it to the receiver. Fig. 7: UM 50 universal microphone with microphone protector The following accessories are available for the UM 50 universal microphone:...

  • Page 19: 3 Search Coil

    2.4.6 SK 3 search coil The SK 3 search coil is used for pipe location. The SK 3 search coil has a permanently attached cable which is used to connect it to the AF 50 receiver. Fig. 8: SK 3 search coil Differences between applications when locating The behaviour of the receiver when locating varies according to the application.

  • Page 20: Using The System

    Using the system Preparing the system Accessories must be selected depending on the intended ap- plication. Water leak detection A microphone must be selected and prepared for the intend- ed use. The microphone can only be used in conjunction with screwed-on accessories.

  • Page 21: Connecting Headphones

    3.2.2 Connecting headphones 3.2.2.1 F8 wireless headphones The A 50 receiver automatically detects the F8 wireless head- phones when they are within range. ● Switch on the headphones. Once connected, the small battery symbol for the wireless head- phones will appear in the main view. F8 wireless headphones ready for use Fig.

  • Page 22: Adjusting The Volume

    Adjusting the volume The volume determines the loudness for the playback of noises via the headphones. Any change can be heard immediately through the headphones. CAUTION! Health hazard Excessive noise can damage the hearing and lead to ir- reversible damage to health. ●...

  • Page 23: Adjusting The Filter

    Fig. 11: Headphones symbol when the system is ready for use Left-hand figure: symbol crossed out, i.e. no measurement in progress or hearing protection threshold exceeded during a measurement Right-hand figure: symbol not crossed out, i.e. measurement ongoing If the headphones symbol is crossed out during a measurement ... ● The hearing protection threshold has been exceeded during the measurement.

  • Page 24: Activating The Notch Filter

    Various filter limits are available for adjusting the bandpass. The bandpass must be at least 300 Hz wide. Information about the available filter limits can be found in sec- tion 6.2.1.1. 3.4.2.2 Activating the notch filter When the notch filter is activated, the mains frequency (50 Hz or 60 Hz) is filtered out. This eliminates the influence of current-car- rying lines on the noise. Fig. 12: Filter view Top right: notch filter (here: 50 Hz) Bottom left: lower filter limit (here: 500 Hz) Bottom right: upper filter limit (here: 3000 Hz) The symbol for the upper filter limit is inverted, which means that this filter limit can be adjusted.

  • Page 25: Performing Pipe Location

    Performing pipe location Note: The AF 50 receiver continuously measures pipe location as soon as a search coil is connected. 3.5.1 Setting the frequency The receiving frequency must correspond to the frequency of the energized line. ● Keep pressing the Filter key until the receiving frequency cor- responds to the transmitting frequency of the generator.
  • Page 26 Fig. 13: Signal curve (above) and orientation of the SK 3 search coil over a line Left-hand figure: maximum method Right-hand figure: minimum method maximum method The field strength steadily increases when the coil approaches the line and reaches the maximum level when directly above it. The maximum method is well suited to preliminary detection. To use the maximum method: ●...

  • Page 27: Applying Automatic Amplifier Adjustment

    To use the maximum method: ● Hold the SK 3 search coil as fig. 13 shown in the right-hand figure. 3.5.3 Applying automatic amplifier adjustment Automatic amplifier adjustment allows display of the signal strength to be adjusted to local conditions during location. Amplifier adjustment is always advisable when location is not clear due to the signal strength being too low or too high. Ampli- fier adjustment results in weak signals being amplified and strong signals being reduced.

  • Page 28: Settings

    Settings Overview The receiver operating mode, the type of hearing protection and the hearing protection threshold can be configured individually. The individual settings are permanently saved until the next change. The factory settings can be restored at any time. The settings are changed in the Settings view. LIGHT ACTIVATION DISPLAY MUTE PROTECT RESET Fig. 15: Settings view Backlight (LIGHT) The receiver display features a backlight.

  • Page 29: Operating Mode (Activation)

    3. Change the setting. − Press the Down key to deactivate the function. − Press the Up key to activate the function. 4. Press the Menu key to apply the settings. The receiver will switch back to the main view. Operating mode (ACTIVATION) There is a choice of two operating modes for the Activation key.

  • Page 30: Display Rotation (Display)

    Display rotation (DISPLAY) If the receiver is rotated through 180° about its longitudinal axis, the display follows the movement. Display rotation activated Display rotation deactivated Changing the DISPLAY setting The system is ready for use. The display shows the main view. 1. Press the Menu key. The Settings view appears. 2.

  • Page 31: Hearing Protection (Mute)

    Hearing protection (MUTE) The hearing protection function determines whether noises above the hearing protection threshold can be listened to via the headphones. Listen to muted noise Do not listen to noise Changing the MUTE settings The system is ready for use. The display shows the main view. 1.
  • Page 32 2. Keep pressing the Enter key until PROTECT is inverted. 3. Change the setting. − Press the Down key to select a lower hearing protection threshold. − Press the Up key to select a higher hearing protection threshold. SEWERIN recommends pressing the Activation key to hear the effect of the change on the noise playback. 26 │ 4 Settings...

  • Page 33: Factory Settings (Reset)

    4. Press the Menu key to apply the settings. The receiver will switch back to the main view. Factory settings (RESET) This function restores all individual settings to the factory set- tings. Factory settings are the settings with which the receiver was supplied to the customer.

  • Page 34: Maintenance

    Maintenance Charging the batteries The batteries for the following components must be recharged when necessary: ● AF 50 receiver ● F8 headphones ● FG 50 generator The batteries are protected against overcharging. The compo- nents can therefore remain connected to the power supply after they are fully charged.

  • Page 35: Charging Batteries Individually Using The Ac/Dc Adapter Or Vehicle Cable

    Fig. 16: SK 10 case White circles: connection cable Black arrow: connection socket (on the outside) 1. Place the components in the dedicated spaces in the case. 2. Connect the components using the connection cables. 3. Connect the case to the power supply using the L AC/DC adapter or the L vehicle cable.

  • Page 36: Handling Faulty Lithium Ion Rechargeable Batteries

    ● The lithium on battery may only be removed if you have legit- imate grounds to suspect that the battery may be defective. ● Only SEWERIN Service personnel or an authorized specialist may replace rechargeable batteries. French abbreviation for: Accord européen relatif au transport internation- al des marchandises Dangereuses par Route, *Engl.: European Agree-...

  • Page 37: Identifying Faulty Batteries

    5.2.1 Identifying faulty batteries A lithium ion battery is considered to be faulty if one of the fol- lowing criteria applies: ● Housing damaged or badly deformed ● Liquid leaking from battery ● Smell of gas from battery ● Rise in temperature with the receiver switched off (more than hand-hot) ●...

  • Page 38: Care

    (e.g. acidic or abrasive constituents) to clean the display sur- face. SEWERIN recommends Always remove significant contamina- tion immediately. Servicing SEWERIN recommends Have the system serviced regularly by SEWERIN Service or an authorized professional. Only regular servicing can ensure that the system is always ready for use. 32 │ 5 Maintenance...

  • Page 39: Appendix

    Appendix Technical data 6.1.1 AF 50 receiver Device data Dimensions (W × D × H) 115 × 65 × 114 mm Weight 0.4 kg Material polycarbonate (housing) Certificate Certificates FCC, CE, IC, MIC Features Display 2" FSTN display (240 × 128 pixels, LED backlight) Processor DSP 16 bit Operation membrane keypad with 5 keys 1 activation key Operating conditions Operating temperature...
  • Page 40 Radio range > 2 m Transmission bandwidth 0 – 12 kHz Communication depending on the headphones used – F8 wireless headphones: SDR (Sewerin Digital Radio) – K3 headphones: by cable Power 10 mW Additional data Transport SK 10 case Shipping instructions...

  • Page 41: Um 50 Universal Microphone

    6.1.2 UM 50 universal microphone Device data Dimensions (H × Ø) 90 × 29 mm (excluding cable) Weight 330 g Material stainless steel Features Interface phone jack 6.3 mm, straight Operating conditions Operating temperature -20 – 70 °C Storage temperature -20 – 70 °C Protection rating IP68 Permitted operating envi-...

  • Page 42: A 50 Receiver

    A 50 receiver 6.2.1 Adjustable filters 6.2.1.1 Bandpass Various filter limits are available for adjusting the bandpass. The bandpass must be at least 300 Hz wide. Lower filter limit Upper filter limit 0 Hz 300 Hz 30 Hz 500 Hz 60 Hz 850 Hz 120 Hz 1000 Hz 250 Hz 1250 Hz 500 Hz 1500 Hz...

  • Page 43: Factory Settings

    6.2.2 Factory settings The receiver is supplied with the following default settings: Backlight activated Hold mode Display rotation activated Do not listen to noise Hearing protection threshold: level 4 PROTECT Bandpass Lower filter limit Upper filter limit 0 Hz 4000 Hz Notch filter Symbol Notch filter...

  • Page 44: Accessories

    Other accessories are available for the system. Please contact our SEWERIN sales department for further information. Declarations of conformity Hermann Sewerin GmbH hereby declares that the A 50 receiver fulfils the requirements of the following directive: ● 2014/53/EU The complete declarations of conformity can be found online.

  • Page 45: Index

    Index ACTIVATION 23 Headphone socket 8 Activation key 7 Hearing protection 5, 25 operating mode 8 Hearing protection threshold 25 with pipe location 9 levels 26 with water leak detection 8 Hold mode 9 Adjusting the filters 17 Adjusting the volume 16 AF 50 receiver 7 LIGHT 22 carrying the system 8 Listening to noises 16...
  • Page 46 Pipe location 19 active 4 frequency 19 method 19 passive 4 PROTECT 25 Rechargeable battery see Lithium ion rechargeable battery RESET 27 Setting backlight 22 display rotation 24 hearing protection 25 hearing protection threshold 25 operating mode 23 SK 3 search coil 13 System F8 wireless headphones 15 K3 headphones 15...
  • Page 47 Hermann Sewerin GmbH SEWERIN SARL Robert-Bosch-Straße 3 17, rue Ampère – BP 211 33334 Gütersloh, Germany 67727 Hoerdt Cedex, France Tel.: +49 5241 934-0 Tél. : +33 3 88 68 15 15 Fax: +49 5241 934-444 Fax : +33 3 88 68 11 77 www.sewerin.com...

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